-84.19% is the change from 544 to 86
Calculation steps:
[( 86 - 544 ) ÷ 544] x 100 = -84.19%
Formula
Percentage change = [(86 - 544) / 544] x 100
Subtract the new number by the original number
86 - 544 = -458
-458 ÷ 544 = -0.8419117647058824
-0.8419117647058824 x 100 = -84.19%